[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bq1rk1/ppp1bppp/2n2n2/4p3/3pP1P1/P2P3P/1PP1BP2/RNBQK1NR w KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:43.167 UTC"] [GameStartTime "2025-06-23T15:40:42.930 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. b3 {-1.40 6/0 125 976285} Bc5 {+0.75 5/0 87 976115, White makes an illegal move: b2b3} 0-1